Point, line, ray, segment and plane

Euclidean geometry

Recognizing a geometric object means observing which endpoints it has and in which directions it can continue.

Key idea

Formula matematica

Similar example

Formula matematica

What you need to know before the exercises

In this lesson: Correctly recognize and name the main basic geometric objects.

How to proceed: Count endpoints: a segment has two, a ray one, a line none; a point marks a position and a plane represents an unbounded surface.

You can already assume: Geometry language.

Try it now

Look at the figure and identify the represented object.

Guided

Completed exercises: 0/5 · Correct on first attempt: 0

How to reason

Count endpoints: a segment has two, a ray one, a line none; a point marks a position and a plane represents an unbounded surface.

Your competency map

ConceptStep separates what is required from what is recommended or useful as reinforcement. Only required prerequisites block your progress.

Current topic Strong skill Review due Needs reinforcement To be mastered Optional support

Relationships: solid line = required · dashed line = recommended · dotted line = reinforcement.